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#1 2016-12-14 17:03:09

gilles
Contributor
Registered: 2016-12-13
Posts: 3

Need help for mfkey

Hello,
Can someone help me about using mfkey after sniffing the traffic between a reader and the nfc card :

I'm not sure what value are the NT, NR, AR, AT
I cannot found a coherent pattern regarding the example provide in the "example_trace.txt" or in the forum

the sniff :

pm3 --> hf 14a sniff
pm3 --> hf 14a list
Waiting for a response from the proxmark...          
Don't forget to cancel its operation first by pressing on the button          

-#db# cancelled by button          
#db# maxDataLen=3, Uart.state=0, Uart.len=0          
#db# traceLen=5415, Uart.output[0]=00000052          
Recorded Activity (TraceLen = 5415 bytes)          
          
Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer          
iso14443a - All times are in carrier periods (1/13.56Mhz)          
          
      Start |        End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |          
------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|          
          0 |        992 | Rdr |52                                                               |     | WUPA          
    1098304 |    1099296 | Rdr |52                                                               |     | WUPA          
    2196736 |    2197728 | Rdr |52                                                               |     | WUPA          
    3295088 |    3296080 | Rdr |52                                                               |     | WUPA          
    4393408 |    4394400 | Rdr |52                                                               |     | WUPA          
    5491824 |    5492816 | Rdr |52                                                               |     | WUPA          
    6590160 |    6591152 | Rdr |52                                                               |     | WUPA          
    7688560 |    7689552 | Rdr |52                                                               |     | WUPA          
    8786928 |    8787920 | Rdr |52                                                               |     | WUPA          
    9885296 |    9886288 | Rdr |52                                                               |     | WUPA          
   10983664 |   10984656 | Rdr |52                                                               |     | WUPA          
   12082032 |   12083024 | Rdr |52                                                               |     | WUPA          
   13180400 |   13181392 | Rdr |52                                                               |     | WUPA          
   14278768 |   14279760 | Rdr |52                                                               |     | WUPA          
   15377264 |   15378256 | Rdr |52                                                               |     | WUPA          
   16475504 |   16476496 | Rdr |52                                                               |     | WUPA          
   17573872 |   17574864 | Rdr |52                                                               |     | WUPA          
   18672240 |   18673232 | Rdr |52                                                               |     | WUPA          
   19852496 |   19853488 | Rdr |52                                                               |     | WUPA          
   19854756 |   19857124 | Tag |04  00                                                           |     |           
   20950336 |   20951328 | Rdr |52                                                               |     | WUPA          
   20952580 |   20954948 | Tag |04  00                                                           |     |           
   20962608 |   20967376 | Rdr |50  00  57  cd                                                   |  ok | HALT          
   21411248 |   21412240 | Rdr |52                                                               |     | WUPA          
   21413508 |   21415876 | Tag |04  00                                                           |     |           
   21423648 |   21426112 | Rdr |93  20                                                           |     | ANTICOLL          
   21427316 |   21433204 | Tag |c0  47  fe  d2  ab                                               |     |           
   21441056 |   21451584 | Rdr |93  70  c0  47  fe  d2  ab  00  38                               |  ok | SELECT_UID          
   21452772 |   21456292 | Tag |08  b6  dd                                                       |     |           
   21464208 |   21468976 | Rdr |e0  80  31  73                                                   |  ok | RATS          
   21470164 |   21470804 | Tag |04                                                               |     |           
   21553520 |   21558288 | Rdr |e0  80  31  73                                                   |  ok | RATS          
   21640016 |   21644784 | Rdr |e0  80  31  73                                                   |  ok | RATS          
   21926976 |   21931744 | Rdr |50  00  57  cd                                                   |  ok | HALT          
   22143488 |   22144480 | Rdr |52                                                               |     | WUPA          
   22145748 |   22148116 | Tag |04  00                                                           |     |           
   22155888 |   22158352 | Rdr |93  20                                                           |     | ANTICOLL          
   22159556 |   22165444 | Tag |c0  47  fe  d2  ab                                               |     |           
   22173280 |   22183808 | Rdr |93  70  c0  47  fe  d2  ab  00  38                               |  ok | SELECT_UID          
   22185012 |   22188532 | Tag |08  b6  dd                                                       |     |           
   22208208 |   22212912 | Rdr |60  00  f5  7b                                                   |  ok | AUTH-A(0)          
   22217252 |   22221988 | Tag |bc  72  53  9d                                                   |     |           
   22223328 |   22232704 | Rdr |ab  d9! 75  38  be  47! b2! e9                                   | !crc|           
   22233892 |   22238564 | Tag |6d! bb! 3a! 08!                                                  |     |           
   22249424 |   22254192 | Rdr |9c! 36! 9b! 15                                                   | !crc|           
   22255380 |   22276244 | Tag |8a! 27  75  25! 8c  01  f3  fc  09  76  d7! 0f! 8d! 7d! 8d! 7d   |     |           
            |            |     |30  73                                                           | !crc|           
   22290112 |   22294880 | Rdr |f6! 51  8c  8f                                                   | !crc|           
   22296068 |   22316932 | Tag |67  01  81! b1! 9b  05  f8  7d! 0f! d3  c1! 68! c0  08  83! 80!  |     |           
            |            |     |f7  7b!                                                          | !crc|           
   22330784 |   22335488 | Rdr |a4  4e! a0! 53                                                   | !crc|           
   22336756 |   22357620 | Tag |da! 16! 5c  ca  12! d3! 35! 95! 20  15  6a! e7  56! 8d  34  6f   |     |           
            |            |     |9a  4a                                                           | !crc|           
   22370832 |   22375600 | Rdr |d3  d7! 51  88!                                                  | !crc|           
   22379876 |   22384612 | Tag |a4! 5c! e1  a6!                                                  |     |           
   22385936 |   22395248 | Rdr |47  10  03! 13  99! 74! fa  9c                                   | !crc|           
   22396516 |   22401188 | Tag |ba! 41! 0d  da!                                                  |     |           
   22412160 |   22416928 | Rdr |84  8d! ff! 63!                                                  | !crc|           
   22418132 |   22438996 | Tag |0c  98  a5! 95! 89! c6! 3b  ce! 6c  7e! c7  69  36  94  69! cb   |     |           
            |            |     |78! 3a!                                                          | !crc|           
   22452848 |   22457552 | Rdr |7f  c5! 6c  8f!                                                  | !crc|           
   22458820 |   22479620 | Tag |90! 80  6d! 84  88  7f! b8  8d  0e! 80  c0! e7  83  91! 66  52!  |     |           
            |            |     |db  ac                                                           | !crc|           
   22492896 |   22497664 | Rdr |e4! 44  dc  8b!                                                  | !crc|           
   22501924 |   22506660 | Tag |b4  35  c7! ad                                                   |     |           
   22508000 |   22517376 | Rdr |90! 1b! 1f  93  5e! d8  57  d8!                                  | !crc|           
   22518580 |   22523316 | Tag |30  00  ed! 44!                                                  |     |           
   22534224 |   22538992 | Rdr |2d! 54! f5! 58                                                   | !crc|           
   22540196 |   22560996 | Tag |30  3c  3e! 9b! a1! 55  6b  d2  4f! e6  9f! cd! 22! 73  8f  63!  |     |           
            |            |     |f8! 85!                                                          | !crc|           
   22575040 |   22579744 | Rdr |50  58! 22  d6!                                                  | !crc| HALT          
   22581012 |   22601876 | Tag |f7  27! b8  66! d5  26  e0! bf! 0d! 64! f4  77  72  7a  03! a3!  |     |           
            |            |     |0b! 19                                                           | !crc|           
   22614960 |   22619728 | Rdr |4c! 31! e8! 7d!                                                  | !crc|           
   22623988 |   22628724 | Tag |78  6a! 6a! 43                                                   |     |           
   22630064 |   22639440 | Rdr |33! bb  13! d5! 93  e1! c2! 03!                                  | !crc|           
   22640644 |   22645380 | Tag |7a! 72  15  3a!                                                  |     |           
   22656288 |   22661056 | Rdr |4e  58  f6  d5                                                   | !crc|           
   22662260 |   22683060 | Tag |99! fb  49  03! ef  57! bc  03  78  ec  ab! e2  20  41  60! af!  |     |           
            |            |     |00! 7d                                                           | !crc|           
   22696976 |   22701744 | Rdr |fd  64  ea  3c!                                                  | !crc|           
   22702932 |   22723732 | Tag |85  51  a1  c1  f0  e8  b2! fb! bc  95! 89! 22! 51! cc  74! 03   |     |           
            |            |     |2f! 0d!                                                          | !crc|           
   22737664 |   22742368 | Rdr |90  30! 2d! 2b                                                   | !crc|           
   22743620 |   22764484 | Tag |eb! 7d! 27  76! 80! 34! 9c! 7b  d9! 11  85! c7  d4  d7  b1  65!  |     |           
            |            |     |74! 5a!                                                          | !crc|           
   22777696 |   22782400 | Rdr |8b! 62  f8  41                                                   | !crc|           
   22786740 |   22791476 | Tag |10! 73! 70  d8!                                                  |     |           
   22792816 |   22802128 | Rdr |34! dc! 56  24! 2c! 44  c1  d5!                                  | !crc|           
   22803380 |   22808116 | Tag |63  02! c1  c0!                                                  |     |           
   22818912 |   22823680 | Rdr |9f! ff  31  ed!                                                  | !crc|           
   22824868 |   22845732 | Tag |af! 0d! 15  fe! 0d! d7  ba! 6e  bd  3a  52  59  25  46! 5a! 2a!  |     |           
            |            |     |9f! 23                                                           | !crc|           
   23401392 |   23406160 | Rdr |5a  d2! ed  cb                                                   | !crc|           
   23410420 |   23415156 | Tag |00  e9! 33! 03!                                                  |     |           
   23416496 |   23425808 | Rdr |dd  e0! 7d  97  03! 80  6c! 67!                                  | !crc|           
   23427076 |   23431812 | Tag |8c! 55  ef  3f!                                                  |     |           
   24269232 |   24273936 | Rdr |27! 2f! 12! a4!                                                  | !crc|           
   24278276 |   24282948 | Tag |c7  cd! ed! e8                                                   |     |           
   24284352 |   24293728 | Rdr |3d  36! 6a! 6e  42! 9e  3d! 47!                                  | !crc|           
   24294916 |   24299588 | Tag |fd  34  ad  66                                                   |     |           
   25666336 |   25671104 | Rdr |69! dd! 71! 1a                                                   | !crc|           
   25675380 |   25680116 | Tag |38  7b! 9b  5a!                                                  |     |           
   25681456 |   25690832 | Rdr |cf  69  6a  24  52! a0  21! 41!                                  | !crc|           
   25692020 |   25696692 | Tag |40  c4  8b  69                                                   |     |           
   27062672 |   27067376 | Rdr |07! cc  f2  5c                                                   | !crc|           
   27071700 |   27076372 | Tag |b9  16! 04  d3!                                                  |     |           
   27077792 |   27087104 | Rdr |83! 0e  f1! 73! 29  ac  cd  4c!                                  | !crc|           
   27088356 |   27093028 | Tag |78! cc! 03! 40!                                                  |     |           
   28474752 |   28479456 | Rdr |6a! 23  47  81                                                   | !crc|           
   28483796 |   28488532 | Tag |38  9d  48  eb!                                                  |     |           
   28489856 |   28499232 | Rdr |6d  4d  64! 6d! 61! 0e! 7f  8a                                   | !crc|           
   28500436 |   28505172 | Tag |45  c4! 65! e9                                                   |     |           
   28513904 |   28518672 | Rdr |ad! 1e  66! e6                                                   | !crc|           
   28522948 |   28527620 | Tag |14! fe! bd  7d                                                   |     |           
   28529024 |   28538400 | Rdr |52  2e  81! b2  d0! 22  64  f1                                   | !crc| WUPA          
   28539588 |   28544324 | Tag |ba! a4  f8  61                                                   |     |           
   29869936 |   29874640 | Rdr |6d  a7! a8! af                                                   | !crc|           
   29878980 |   29883716 | Tag |09! d1! 00  82!                                                  |     |           
   29885040 |   29894352 | Rdr |77  9a! 85! a9  45! 9f! 24  43!                                  | !crc|           
   29895620 |   29900292 | Tag |44  a8! ac! 9b!                                                  |     |           
   31266272 |   31271040 | Rdr |af! a9  ce! b7!                                                  | !crc| AUTH_ANSW          
   31275300 |   31279972 | Tag |a3! 30! 10  15!                                                  |     |           
   31281376 |   31290752 | Rdr |6a  8e  5d! 20  31! 86  ce  4a                                   | !crc|           
   31291956 |   31296628 | Tag |51! b3! 7d! 9f                                                   |     |           
   32662992 |   32667696 | Rdr |0c! 5b! 60  7b                                                   | !crc|           
   32672020 |   32676756 | Tag |92  27  f4  83                                                   |     |           
   32678096 |   32687472 | Rdr |c7  20! e1  a4! a0! df! 37  af!                                  | !crc|           
   32688676 |   32693348 | Tag |27  90! 97! 08!                                                  |     |           
   34059712 |   34064416 | Rdr |62  41! fb! 7b                                                   | !crc|           
   34068740 |   34073476 | Tag |23! 70! 30! d0                                                   |     |           
   34074816 |   34084128 | Rdr |8c  85! e0  c4  12! 9a! 94  83!                                  | !crc|           
   34085396 |   34090068 | Tag |33  6d! 4e! 9e!                                                  |     |           
   35456432 |   35461200 | Rdr |96! 15  d5  88!                                                  | !crc|           
   35465460 |   35470132 | Tag |e0  75  e5! ef!                                                  |     |           
   35471536 |   35480912 | Rdr |f8  26  96  b2! c3  be! 07  71!                                  | !crc|           
   35482100 |   35486836 | Tag |ae  cd  8f! 21!                                                  |     |           
   36853024 |   36857792 | Rdr |6b! 78  da  20                                                   | !crc|           
   36862052 |   36866788 | Tag |85! ab  7e! fc!                                                  |     |           
   36868128 |   36877440 | Rdr |39! 51! de  f3! b6! 3d! cb! 3e!                                  | !crc| ?          
   36878692 |   36883364 | Tag |5c! 2d! b2  11                                                   |     |           
   38249744 |   38254512 | Rdr |66  a4! 72! 1a                                                   | !crc|           
   38258772 |   38263444 | Tag |bd  c3  04  d3!                                                  |     |           
   38264848 |   38274160 | Rdr |95  07! 5c! 53  fa! 49  7f! 0d!                                  | !crc| ANTICOLL-2          
   38275412 |   38280148 | Tag |c0! f1! 3b  07                                                   |     |           
   39646464 |   39651168 | Rdr |2d! b9  33  19!                                                  | !crc|           
   39655492 |   39660164 | Tag |b5  9e  10! 1e                                                   |     |           
   39661568 |   39670944 | Rdr |9a! a9  bf! b3! ba! c4! 35  b6                                   | !crc|           
   39672132 |   39676868 | Tag |2c  b8  bc! b0                                                   |     |           
   41043184 |   41047888 | Rdr |e3! 0e! 34  f4!                                                  | !crc|           
   41052212 |   41056884 | Tag |d3! 4e! 9d  4f!                                                  |     |           
   41058288 |   41067600 | Rdr |62! 6c  06! b1! f9! be  32  cb!                                  | !crc|           
   41068852 |   41073588 | Tag |47! 77  c9  c9!                                                  |     |           
   42439776 |   42444544 | Rdr |14! 57! 76  a4                                                   | !crc|           
   42448804 |   42453540 | Tag |67  d1  8a  ed!                                                  |     |           
   42454880 |   42464192 | Rdr |c1! 71  d6! 9b  51  23  dd  f8!                                  | !crc| DEC(113)          
   42465444 |   42470180 | Tag |4b! 0c! a4! 82!                                                  |     |           
   43836880 |   43841584 | Rdr |17! 53! 5f  53                                                   | !crc|           
   43845908 |   43850580 | Tag |18  9f  9e! 47                                                   |     |           
   43851984 |   43861296 | Rdr |70! 37! 6c  c1! 00  4f  21  5f                                   | !crc|           
   43862548 |   43867284 | Tag |33  74  b9  21!                                                  |     |           
   45233216 |   45237920 | Rdr |e0! ca! 71! f2!                                                  | !crc| RATS          
   45242244 |   45246980 | Tag |5d! 73  7e! 8e!                                                  |     |           
   45248320 |   45257632 | Rdr |7b! db! cf! f7! 46  8a  f8! 96                                   | !crc|           
   45258884 |   45263556 | Tag |f5! 5c! 43! 93                                                   |     |           
   46629936 |   46634640 | Rdr |53! 47  0c  dd                                                   | !crc|           
   46638964 |   46643700 | Tag |fb! a8  86! c7                                                   |     |           
   46645040 |   46654352 | Rdr |8c! de! c4  03  ab! 35  f2  7f!                                  | !crc|           
   46655604 |   46660276 | Tag |f9! 5e  8c  76!                                                  |     |           
   48026528 |   48031296 | Rdr |1f! 0c! b7! 7a                                                   | !crc|           
   48035556 |   48040228 | Tag |57! 0e  67! c4!                                                  |     |           
   48041632 |   48050944 | Rdr |35  62! 21  3a! 24  a0  82! c0                                   | !crc|           
   48052196 |   48056868 | Tag |83! 59! 8f! 6a                                                   |     |           
   49423248 |   49427952 | Rdr |d3! 6e! 82! ce!                                                  | !crc|           
   49432260 |   49436996 | Tag |79  05! 97! ac!                                                  |     |           
   49438352 |   49447664 | Rdr |1d! cf! ae! b2! e5  b1  6e! 7a!                                  | !crc|           
   49448916 |   49453652 | Tag |c0! 5f! 38  73                                                   |     |           
   50819968 |   50824736 | Rdr |eb  dc  d5! 7b!                                                  | !crc|           
   50828996 |   50833668 | Tag |4f  6c! 91  0d!                                                  |     |           
   50835072 |   50844448 | Rdr |4c! 7c! cf! 2a! 73  e1  d7! b5                                   | !crc|           
   50845636 |   50850308 | Tag |68! cb! ff  51!                                                  |     |           
   52216688 |   52221392 | Rdr |67! 9a! 15! 71                                                   | !crc|           
   52225716 |   52230452 | Tag |00  75  85! ca!                                                  |     |           
   52231792 |   52241168 | Rdr |4c  90! a0! 7b  13  ac! e7! b2!                                  | !crc|           
   52242356 |   52247028 | Tag |26  af! f2  e1                                                   |     |           
   53613408 |   53618176 | Rdr |8b  f8  c7! 8b!                                                  | !crc|           
   53622436 |   53627172 | Tag |ad  b0  7c  88!                                                  |     |           
   53628512 |   53637888 | Rdr |3d  1a  97  58! 40! dc  35  f8                                   | !crc|           
   53639076 |   53643748 | Tag |35  90! 38! 1d                                                   |     |           
   55010000 |   55014768 | Rdr |49  d5  4d! c2                                                   | !crc|           
   55019028 |   55023764 | Tag |95  42! 42  93!                                                  |     |           
   55025104 |   55034480 | Rdr |95! 29! 40! d0  d7  d7! b7  52                                   | !crc| ANTICOLL-2          
   55035668 |   55040404 | Tag |69  6d  3b! 8d!                                                  |     |           
   56406720 |   56411488 | Rdr |52! c8! 8a! 09!                                                  | !crc| WUPA          
   56415748 |   56420484 | Tag |20  15! cf! 52                                                   |     |           
   56421824 |   56431136 | Rdr |5a! 3b! c6  da! 40! 4b  e3  fe!                                  | !crc|           
   56432388 |   56437124 | Tag |2b! c0  6d  4d!                                                  |     |           
   57803696 |   57808400 | Rdr |44! 29! 7a! 11                                                   | !crc|           
   57812724 |   57817460 | Tag |71  14  71  24!                                                  |     |           
   57818800 |   57828112 | Rdr |b4  d2  41  13  ad! 31! 85! 99                                   | !crc|           
   57829364 |   57834036 | Tag |b5! 1d! a7! 32!                                                  |     |           
   59200160 |   59204928 | Rdr |f5  aa! e7! 3c!                                                  | !crc|           
   59209188 |   59213924 | Tag |3b! 6a  43  db!                                                  |     |           
   59215264 |   59224640 | Rdr |b8! e6! 2b! 5d! 99! a8! 6f! d4!                                  | !crc|           
   59225828 |   59230500 | Tag |26  b5! 6f  9e!                                                  |     |           
   60596752 |   60601520 | Rdr |a1! 26  77  ab                                                   | !crc|           
   60605780 |   60610452 | Tag |48  75! 7c! 4d                                                   |     |           
   60611856 |   60621232 | Rdr |91! da  92! 5d! 5d! ce  6a! 5e                                   | !crc|           
   60622420 |   60627092 | Tag |58  32! d7! dc!                                                  |     |           
   61993472 |   61998240 | Rdr |bd  1e  7e  a1                                                   | !crc|           
   62002500 |   62007236 | Tag |34! 76  55  b7!                                                  |     |           
   62008576 |   62017888 | Rdr |3f! d9  a3  0d! 65  bb! 07! cf                                   | !crc|           
   62019140 |   62023876 | Tag |de! ab  85  ee!                                                  |     |           
   63390192 |   63394896 | Rdr |0c! eb  c6  d7                                                   | !crc|           
   63399220 |   63403892 | Tag |9c! f4! 3a! e9!                                                  |     |           
   63405296 |   63414608 | Rdr |a6  93  35  60  bd  90  02! 96                                   | !crc|           
   63415860 |   63420596 | Tag |75  3b  36  5f!                                                  |     |           
   64786912 |   64791616 | Rdr |71! 51! ee  2f!                                                  | !crc|           
   64795940 |   64800612 | Tag |08  13  4e  58!                                                  |     |           
   78996688 |   78997680 | Rdr |52                                                               |     | WUPA          
   80099472 |   80100464 | Rdr |52                                                               |     | WUPA          
   81197840 |   81198832 | Rdr |52                                                               |     | WUPA          
   82296208 |   82297200 | Rdr |52                                                               |     | WUPA          
   83394576 |   83395568 | Rdr |52                                                               |     | WUPA          
   84492944 |   84493936 | Rdr |52                                                               |     | WUPA          
   85591312 |   85592304 | Rdr |52                                                               |     | WUPA          
   86689680 |   86690672 | Rdr |52                                                               |     | WUPA          
   87788048 |   87789040 | Rdr |52                                                               |     | WUPA          
   88886416 |   88887408 | Rdr |52                                                               |     | WUPA          
   89984784 |   89985776 | Rdr |52                                                               |     | WUPA          
   91083152 |   91084144 | Rdr |52                                                               |     | WUPA          
   92181520 |   92182512 | Rdr |52                                                               |     | WUPA          
   93279856 |   93280848 | Rdr |52                                                               |     | WUPA          
   94378256 |   94379248 | Rdr |52                                                               |     | WUPA          
   95476624 |   95477616 | Rdr |52                                                               |     | WUPA          
   96574992 |   96575984 | Rdr |52                                                               |     | WUPA          
   97673328 |   97674320 | Rdr |52                                                               |     | WUPA          
   98771728 |   98772720 | Rdr |52                                                               |     | WUPA          
   99870096 |   99871088 | Rdr |52                                                               |     | WUPA          
  100968464 |  100969456 | Rdr |52                                                               |     | WUPA          
  100970708 |  100973076 | Tag |04  00                                                           |     |           
  102066832 |  102067824 | Rdr |52                                                               |     | WUPA          
  102069076 |  102071444 | Tag |04  00                                                           |     |           
  103165200 |  103166192 | Rdr |52                                                               |     | WUPA          
  103167444 |  103169812 | Tag |04  00                                                           |     |           
  104263568 |  104264560 | Rdr |52                                                               |     | WUPA          
  104265828 |  104266212 | Tag |00!                                                              |     |           
  104275840 |  104280608 | Rdr |50  00  57  cd                                                   |  ok | HALT          
  104724480 |  104725472 | Rdr |52                                                               |     | WUPA          
  104726740 |  104728788 | Tag |04  00!                                                          |     |           
  104736880 |  104739344 | Rdr |93  20                                                           |     | ANTICOLL          
  104740548 |  104742596 | Tag |c0  07                                                           |     |           
  104743152 |  104743952 | Rdr |00!                                                              |     |           
  104754288 |  104764816 | Rdr |93  70  c0  47  fe  d2  ab  00  38                               |  ok | SELECT_UID          
  104766004 |  104766516 | Tag |00!                                                              |     |           
  104766880 |  104767872 | Rdr |58                                                               |     |           
  104768692 |  104769524 | Tag |3b                                                               |     |           
  104777440 |  104782208 | Rdr |e0  80  31  73                                                   |  ok | RATS          
  104783396 |  104783780 | Tag |00!                                                              |     |           
  104866624 |  104871392 | Rdr |e0  80  31  73                                                   |  ok | RATS          
  104953248 |  104958016 | Rdr |e0  80  31  73                                                   |  ok | RATS          
  105240208 |  105244976 | Rdr |50  00  57  cd                                                   |  ok | HALT          
  105456720 |  105457712 | Rdr |52                                                               |     | WUPA          
  105458964 |  105459348 | Tag |00!                                                              |     |           
  105460324 |  105461284 | Tag |7f                                                               |     |           
  105469120 |  105471584 | Rdr |93  20                                                           |     | ANTICOLL          
  105472788 |  105473044 | Tag |00!                                                              |     |           
  105474196 |  105474836 | Tag |01                                                               |     |           
  105486512 |  105497040 | Rdr |93  70  c0  47  fe  d2  ab  00  38                               |  ok | SELECT_UID          
  105498244 |  105498756 | Tag |00!                                                              |     |           
  105521440 |  105526144 | Rdr |60  00  f5  7b                                                   |  ok | AUTH-A(0)          
  105530484 |  105531636 | Tag |06!                                                              |     |           
  105532980 |  105533172 | Tag |01                                                               |     |           
  105536560 |  105545936 | Rdr |d7  d8  f6  f2! 9e! 77  40  36!                                  | !crc|           
  105547124 |  105547508 | Tag |00!                                                              |     |           
 3166881216 | 3166881696 | Rdr |06!                                                              |     |           
  105562656 |  105567360 | Rdr |1e! b2  5e  a8!                                                  | !crc|           
  105568612 |  105569508 | Tag |1b!                                                              |     |           
  105570996 |  105571316 | Tag |03!                                                              |     |           
  105574564 |  105574756 | Tag |01                                                               |     |           
  105580148 |  105580404 | Tag |00!                                                              |     |           
  105584400 |  105585456 | Rdr |22!                                                              |     |           
  105588260 |  105588452 | Tag |01                                                               |     |           
  105603328 |  105608096 | Rdr |a7  a5! dc  01                                                   | !crc|           
  105609300 |  105609684 | Tag |01                                                               |     |           
  105612948 |  105613140 | Tag |01                                                               |     |           
  105644016 |  105648720 | Rdr |10! a5! b0  df!                                                  | !crc|           
  105655236 |  105656004 | Tag |0e                                                               |     |           
  105661188 |  105661508 | Tag |03!                                                              |     |           
  105664708 |  105664964 | Tag |00!                                                              |     |           
  105684064 |  105688832 | Rdr |45! 50  86! 37                                                   | !crc|           
  105693108 |  105694132 | Tag |1e!                                                              |     |           
  105695796 |  105696308 | Tag |00!                                                              |     |           
  105699184 |  105708496 | Rdr |2e  b6  e7! 67  d7  09  92! 69                                   | !crc|           
  105709748 |  105711540 | Tag |b3! 01                                                           |     |           
  105712352 |  105712896 | Rdr |03!                                                              |     |           
  105725408 |  105730112 | Rdr |21! 6e! 40  65                                                   | !crc|           
  105731364 |  105732004 | Tag |05!                                                              |     |           
  105737316 |  105737508 | Tag |01                                                               |     |           
 3166881216 | 3166881504 | Rdr |00!                                                              |     |           
  105743312 |  105743600 | Rdr |00!                                                              |     |           
 3166881216 | 3166881504 | Rdr |00!                                                              |     |           
  105750096 |  105750640 | Rdr |03!                                                              |     |           
  105750864 |  105751408 | Rdr |00!                                                              |     |           
  105766096 |  105770864 | Rdr |2e  dc  dc! 13                                                   | !crc|           
  105772052 |  105773460 | Tag |81! 00!                                                          |     |           
  105774528 |  105775712 | Rdr |79                                                               |     |           
  105779476 |  105781012 | Tag |fe  00!                                                          |     |           
 3166881216 | 3166886176 | Rdr |a4! ff  dc  c4  03!                                              | !crc|           
  105815172 |  105815556 | Tag |01                                                               |     |           
  105817284 |  105817476 | Tag |01                                                               |     |           
  105821248 |  105830624 | Rdr |47  39  71! 34! 01  00! 1b! 93!                                  | !crc|           
  105831812 |  105832580 | Tag |06!                                                              |     |           
  105833520 |  105834064 | Rdr |00!                                                              |     |           
 3166881216 | 3166881568 | Rdr |02                                                               |     |           
  105858612 |  105858804 | Tag |01                                                               |     |           
  105862004 |  105862388 | Tag |00!                                                              |     |           
  105864992 |  105865920 | Rdr |0f!                                                              |     |           
  105872820 |  105873012 | Tag |01                                                               |     |           
  105888144 |  105892848 | Rdr |b4  64! d0  af                                                   | !crc|           
  105894116 |  105895012 | Tag |01                                                               |     |           
  105896564 |  105897076 | Tag |00!                                                              |     |           
  105899940 |  105900132 | Tag |01                                                               |     |           
  105906980 |  105907300 | Tag |03!                                                              |     |           
  105911332 |  105911524 | Tag |01                                                               |     |           
  105913892 |  105914084 | Tag |01                                                               |     |           
  105928192 |  105932896 | Rdr |9e! c7  4d! 09                                                   | !crc|           
  105943312 |  105952624 | Rdr |98! 46! a8  1e  95! 07  8f  82                                   | !crc|           
  105953876 |  105954516 | Tag |00!                                                              |     |           
  105955540 |  105955924 | Tag |01                                                               |     |           
 3166881216 | 3166881568 | Rdr |02                                                               |     |           
  105969536 |  105974304 | Rdr |9b  eb! 40  9e                                                   | !crc|           
  105975536 |  105976336 | Rdr |00!                                                              |     |           
  105977284 |  105977924 | Tag |01                                                               |     |           
  105978864 |  105979920 | Rdr |12!                                                              |     |           
  105980740 |  105981380 | Tag |04                                                               |     |           
  105982704 |  105982992 | Rdr |00!                                                              |     |           
  105984132 |  105984644 | Tag |03!                                                              |     |           
  105993668 |  105995204 | Tag |57! 00!                                                          |     |           
  106010208 |  106014976 | Rdr |55  63  21  1b!                                                  | !crc|           
  106016180 |  106016564 | Tag |01                                                               |     |           
  106017652 |  106018100 | Tag |07                                                               |     |           
  106028148 |  106028596 | Tag |07                                                               |     |           
  106031732 |  106032052 | Tag |03!                                                              |     |           
  106034996 |  106036916 | Tag |1f  05!                                                          |     |           
  106050896 |  106055600 | Rdr |c6  f4! 2e  f0                                                   | !crc|           
  106056868 |  106058020 | Tag |1d!                                                              |     |           
  106061492 |  106061748 | Tag |00!                                                              |     |           
  106062948 |  106063268 | Tag |03!                                                              |     |           
  106066148 |  106066468 | Tag |03!                                                              |     |           
  106069732 |  106070180 | Tag |07                                                               |     |           
  106073188 |  106073380 | Tag |01                                                               |     |           
  106076644 |  106076964 | Tag |03!                                                              |     |           
  106090944 |  106095648 | Rdr |71  53! c2! 20!                                                  | !crc|           
  106100948 |  106101268 | Tag |03!                                                              |     |           
  106106064 |  106115376 | Rdr |b5  1c! 27  ab  54! 4f  f3! 32!                                  | !crc|           
  106116628 |  106117140 | Tag |00!                                                              |     |           
  106118080 |  106118496 | Rdr |00!                                                              |     |           
  106132160 |  106136864 | Rdr |7c  a3! 3c! e9!                                                  | !crc|           
  106138672 |  106139216 | Rdr |00!                                                              |     |           
  106141360 |  106142544 | Rdr |70                                                               |     |           
 3166881216 | 3166882784 | Rdr |92! 01                                                           |     |           
  106718160 |  106718448 | Rdr |00!                                                              |     |           
  106718672 |  106719408 | Rdr |1f                                                               |     |           
  106729744 |  106739056 | Rdr |ff  7a  d8  41! 49! 42! a6  ce!                                  | !crc|           
  106740308 |  106740564 | Tag |00!                                                              |     |           
  106741652 |  106741844 | Tag |01                                                               |     |           
  106744576 |  106744992 | Rdr |01                                                               |     |           
  107582480 |  107587248 | Rdr |27! 83! ce! 99!                                                  | !crc|           
  107591508 |  107591764 | Tag |00!                                                              |     |           
  107597584 |  107606896 | Rdr |67! 02! 46  2f  64  0e! e8  06                                   | !crc|           
  107608164 |  107609956 | Tag |f3  03!                                                          |     |           
  108979584 |  108984352 | Rdr |bd  86! 72  ff!                                                  | !crc|           
  108988612 |  108989252 | Tag |01                                                               |     |           
  108991856 |  108992528 | Rdr |06!                                                              |     |           
  108994688 |  109004064 | Rdr |7d! db  a7  8f! f7  54  4c  6a!                                  | !crc|           
  109006932 |  109008020 | Tag |d2!                                                              |     |           
  110375920 |  110380688 | Rdr |16  35  9a! aa!                                                  | !crc|           
  110384948 |  110386228 | Tag |3d                                                               |     |           
  110386740 |  110386932 | Tag |01                                                               |     |           
  110388100 |  110388292 | Tag |01                                                               |     |           
  110391024 |  110400400 | Rdr |06! da! f7! b1! 2a! b6! 96! e4!                                  | !crc|           
  110401604 |  110401988 | Tag |00!                                                              |     |           
  110525120 |  110529888 | Rdr |19! 74! 21! ce                                                   | !crc|           
  110534164 |  110535316 | Tag |37                                                               |     |           
  110537172 |  110537492 | Tag |03!                                                              |     |           
  110540240 |  110549552 | Rdr |da  23! 3f  38  8d  0f! 2b! 49!                                  | !crc|           
  110550804 |  110552340 | Tag |d7! 00!                                                          |     |           
 3166881216 | 3166881632 | Rdr |00!                                                              |     |           
  110554048 |  110554336 | Rdr |00!                                                              |     |           
  111772640 |  111777408 | Rdr |a4! c8  31! b5                                                   | !crc|           
  111781668 |  111782052 | Tag |01                                                               |     |           
  111783540 |  111784116 | Tag |0f!                                                              |     |           
 3166881216 | 3166886176 | Rdr |84! 84  bd  c0! 03!                                              | !crc|           
  113181888 |  113182176 | Rdr |00!                                                              |     |           
  113184464 |  113193840 | Rdr |7e  fb! 5e! 27  12  7c! 6c  7a                                   | !crc|           
  113195044 |  113195364 | Tag |03!                                                              |     |           
  113196388 |  113196580 | Tag |01                                                               |     |           
  114565952 |  114570720 | Rdr |e6  45! f6! 2a                                                   | !crc|           
  114574980 |  114575236 | Tag |00!                                                              |     |           
  114578244 |  114579140 | Tag |00!                                                              |     |           
  114581056 |  114590368 | Rdr |b4  3c! 85  39  50  b4  c7  35                                   | !crc|           
  114591636 |  114591828 | Tag |01                                                               |     |           
  115962672 |  115967440 | Rdr |5c  bc  43  a2                                                   | !crc|           
  115971700 |  115972340 | Tag |07                                                               |     |           
  115973620 |  115974260 | Tag |03!                                                              |     |           
  115977776 |  115987088 | Rdr |ce  6f  b5! f0  fc  b3  78! 3d!                                  | !crc|           
  115988340 |  115989748 | Tag |7d! 00!                                                          |     |           
  115991220 |  115992756 | Tag |3f! 00!                                                          |     |           
  117359392 |  117364096 | Rdr |92  bd! bb! 4e                                                   | !crc|           
  117368464 |  117369520 | Rdr |18!                                                              |     |           
  117372452 |  117372644 | Tag |01                                                               |     |           
  117374496 |  117383872 | Rdr |de  86  29  75! 05! 23! 48! 57                                   | !crc|           
  117385060 |  117385572 | Tag |03!                                                              |     |           
  117386404 |  117386596 | Tag |01                                                               |     |           
  118756096 |  118760800 | Rdr |8f  69  bc  92!                                                  | !crc|           
  118765140 |  118766548 | Tag |f9  00!                                                          |     |           
  118771216 |  118780528 | Rdr |55  2c! 80  6b  b7  0e! 6a  cc                                   | !crc|           
  118781780 |  118782164 | Tag |01                                                               |     |           
  118784768 |  118785056 | Rdr |00!                                                              |     |           
  118785536 |  118785952 | Rdr |00!                                                              |     |           
  120152688 |  120157456 | Rdr |e7! 67  83  1a                                                   | !crc|           
  120161732 |  120162372 | Tag |06!                                                              |     |           
  120167808 |  120177120 | Rdr |b3! 44! d7! 92! bb! b5! f7  e0!                                  | !crc|           
  120178372 |  120179780 | Tag |ff! 00!                                                          |     |           
  120180720 |  120181264 | Rdr |02                                                               |     |           
  121549408 |  121554176 | Rdr |7d! 9d  89! 41!                                                  | !crc|           
  121558436 |  121563108 | Tag |76! a1! 81  a5                                                   |     |           
  135772128 |  135773120 | Rdr |52                                                               |     | WUPA          
  136875600 |  136876592 | Rdr |52                                                               |     | WUPA          
  137973936 |  137974928 | Rdr |52                                                               |     | WUPA          
  139072336 |  139073328 | Rdr |52                                                               |     | WUPA          
  140170704 |  140171696 | Rdr |52                                                               |     | WUPA          
  141269056 |  141270048 | Rdr |52                                                               |     | WUPA          
  142367424 |  142368416 | Rdr |52                                                               |     | WUPA          
  143465792 |  143466784 | Rdr |52                                                               |     | WUPA          
  144564160 |  144565152 | Rdr |52                                                               |     | WUPA          
  145662528 |  145663520 | Rdr |52                                                               |     | WUPA          
  146760896 |  146761888 | Rdr |52                                                               |     | WUPA          
  147859216 |  147860208 | Rdr |52                                                               |     | WUPA   

Offline

#2 2016-12-15 03:30:59

717
Contributor
Registered: 2015-10-21
Posts: 22

Re: Need help for mfkey

https://github.com/Proxmark/proxmark3/blob/master/tools/mfkey/example_trace.txt

Offline

#3 2016-12-15 23:15:27

gilles
Contributor
Registered: 2016-12-13
Posts: 3

Re: Need help for mfkey

Well thank you, i dind't put the right value.
After reading again and again i understand i can recover my key for the first block

Offline

#4 2016-12-16 08:12:29

iceman
Administrator
Registered: 2013-04-25
Posts: 6,251
Website

Re: Need help for mfkey

pm3 ~/tools/mfkey$ mfkey64.exe c047fed2 bc72539d abd97538 be47b2e9 6dbb3a08
MIFARE Classic key recovery - based 64 bits of keystream
Recover key from only one complete authentication!

Recovering key for:
  uid: c047fed2
   nt: bc72539d
 {nr}: abd97538
 {ar}: be47b2e9
 {at}: 6dbb3a08

LFSR succesors of the tag challenge:
  nt': eb69e3c5
 nt'': 08aa9be8

Keystream used to generate {ar} and {at}:
  ks2: 552e512c
  ks3: 6511a1e0

Found Key: [a0a1a2a3a4a5]

Time : 94 ticks

If you feel the love,  https://www.patreon.com/iceman1001

modhex(hkhehghthbhudcfcdchkigiehgduiehg)

Offline

#5 2016-12-19 21:00:27

sasha9
Contributor
Registered: 2016-12-11
Posts: 2

Re: Need help for mfkey

Hello,Can someone help me about using mfkey after sniffing the traffic between a reader
tell me how to calculate the key: - A

data were obtained: -proxmark3> hf mf sim u 00000000  x

proxmark3> #db# Collected two pairs of AR/NR which can be used to extract keys from reader:   
proxmark3> #db# ../tools/mfkey/mfkey32 00000000 01020304 be1c8653 58a376a8 0c14dfc1 117d034d         
proxmark3> #db# Emulator stopped. Tracing: 0  trace length: 35889     


data were obtained: -proxmark3> hf mf sim u 12345678  x

proxmark3> #db# Collected two pairs of AR/NR which can be used to extract keys from reader:             
proxmark3> #db# ../tools/mfkey/mfkey32 12345678 01020304 a7ae89f0 36b2100e 9469e440 13d2c8db           
proxmark3> #db# Emulator stopped. Tracing: 1  trace length: 2318 


proxmark3> #db# Collected two pairs of AR/NR which can be used to extract keys from reader:   
proxmark3> #db# ../tools/mfkey/mfkey32 12345678 01020304 10825cd6 26271528 13612aa2 2a58344e     
proxmark3> #db# Emulator stopped. Tracing: 1  trace length: 2633   


or data were obtained: -
proxmark3> hf mf sim u 00000000 n 0 i x
uid:00 00 00 00 , numreads:0, flags:11 (0x0b)
Press pm3-button to abort simulation
#db# 4B UID: 00000000
#db# AUTH FAILED for sector 0 with key A. cardRr=ef063700, succ=20f8ed56
proxmark3>
proxmark3> #db# Failed to obtain two AR/NR pairs!
proxmark3> #db# Only got these: UID=00000000, nonce=01020304, AR1=06c2ebfd, NR1=a1284d69
proxmark3> #db# Emulator stopped. Tracing: 1 trace length: 120

Offline

#6 2016-12-19 21:18:01

iceman
Administrator
Registered: 2013-04-25
Posts: 6,251
Website

Re: Need help for mfkey

Are you using the latest source from Github? (client / flashed fullimage)

And try using a proper uid, not only zeros.


If you feel the love,  https://www.patreon.com/iceman1001

modhex(hkhehghthbhudcfcdchkigiehgduiehg)

Offline

#7 2019-08-19 13:18:16

alximiktik
Contributor
From: Russia
Registered: 2019-08-18
Posts: 3

Re: Need help for mfkey

Thanks  iceman  for updated access rights. As i anderstood , my snoop tracke is not better. And i want to sure is it posible to use this tracke and found some one key? I using  snoop mod on terminal for opened door. Opperation lasted 3 seconds, when i opened the door, i finished snoop  by pressing button  on pm3.

Start |        End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |
------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|
          0 |       2368 | Tag | 04  00                                                          |     | 
      43904 |      49792 | Tag | uid  6e                                              |     | 
     108528 |     112048 | Tag | 08  b6  dd                                                      |     | 
     164592 |     169328 | Tag | ba  bc  e6  f1                                                  |     | 
     184432 |     189168 | Tag | 86 ae!  be  5e                                                  |     | 
     230000 |     250800 | Tag |d5!  88 52! 42!  8f  b2 db!  ac eb! 74!  a3 06! b7!  8b  1a b3!  |     | 
            |            |     | a6 26!                                                          | !crc| 
     315888 |     336688 | Tag |fa! 23! 48! b3!  72  07 7c!  93  9d 78! 88!  be 02!  9d  46 32!  |     | 
            |            |     |27!  bd                                                          | !crc| 
     402272 |     423072 | Tag |db!  8d 74! c1!  02 62!  31 9e!  83  5f  f8 4f! 7e! 22! 0d!  15  |     | 
            |            |     | d7  bb                                                          | !crc| 
     540684 |     545452 | Rdr |01!  5a 5f! 1d!                                                  | !crc| ?
     546640 |     547280 | Tag | 01                                                              |     | 
    1291168 |    1293536 | Tag | 04  00                                                          |     | 
    1331532 |    1333996 | Rdr | 93  20                                                          |     | ANTICOLL
    1335200 |    1341088 | Tag | UID 6e                                              |     | 
    1399824 |    1403344 | Tag | 08  b6  dd                                                      |     | 
    1455888 |    1460560 | Tag | f9  22  0f  77                                                  |     | 
    1475728 |    1480400 | Tag |20!  2a  e3  06                                                  |     | 
    1545404 |    1550172 | Rdr |4c!  fe  d2 18!                                                  | !crc| ?
    1551360 |    1551936 | Tag |0f!                                                              |     | 
    1559740 |    1580636 | Rdr | af 12!  53 24! f4! cd! 19! fb!  98 d9! 4a!  30  78 5f!  e5 9e!  |     | 
            |            |     |97! 2b!                                                          | !crc| AUTH_ANSW
    1622912 |    1623488 | Tag | 0d                                                              |     | 
    1664512 |    1685312 | Tag | df  ab 61! 56! 7e! 0e!  49 de! a3! 75! 2e!  37  3f  a3 e6! dd!  |     | 
            |            |     |be!  d8                                                          | !crc| 
    1782256 |    1782896 | Tag | 02                                                              |     | 
    1853808 |    1854384 | Tag | 0e                                                              |     | 
    1895536 |    1916400 | Tag |0e! 24!  0f a2! 36! 14!  c8  86  b0 c6! 2e!  49 3c!  12  34  eb  |     | 
            |            |     | df 44!                                                          | !crc|

I used pm3 evo with official firmware through Andprox (android). Thanks

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#8 2019-08-19 16:59:02

iceman
Administrator
Registered: 2013-04-25
Posts: 6,251
Website

Re: Need help for mfkey

Yes, you need a better sniff trace just like piwi mentioned


If you feel the love,  https://www.patreon.com/iceman1001

modhex(hkhehghthbhudcfcdchkigiehgduiehg)

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